logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10725219 B1

PDFFull Text
Date of Patent:
Jul. 28, 2020

Filed:

May. 24, 2017

Manufacturing method of optical film and optical film

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Beom Seok Lee, Daejeon, KR;

Suk Jae Lee, Daejeon, KR;

Kyung Hyeok Park, Daejeon, KR;

San Park, Daejeon, KR;

Hang Suk Choi, Daejeon, KR;

Eung Jin Jang, Daejeon, KR;

Bong Su Jeung, Daejeon, KR;

Jea Han Ryoo, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Linda L Gray

Int. Cl.
CPC ...
G02B 5/00 (2006.01); B32B 7/00 (2019.01); B32B 37/00 (2006.01); B32B 38/00 (2006.01); G02B 5/30 (2006.01); B32B 7/12 (2006.01); B32B 37/26 (2006.01); B32B 37/12 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B32B 7/12 (2013.01); B32B 37/26 (2013.01); B32B 38/0004 (2013.01); B32B 37/12 (2013.01); B32B 2037/268 (2013.01); B32B 2307/40 (2013.01); B32B 2457/20 (2013.01); Y10T 156/1079 (2015.01);
Abstract

Provided is a method for an optical film which elongates by forming a plurality of sheet pieces by cutting a pre-processing optical film in a width direction of the pre-processing optical film, aligning the plurality of sheet pieces in such a manner that first end portions parallel to the longitudinal direction of the pre-processing optical film are opposite to each other, and connecting end portions of the plurality of sheet pieces to each other.

Find Patent Forward Citations

Lee, Beom. (2020). Manufacturing method of optical film and optical film (U.S. Patent No. 10725219). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10725219

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…